Enter a clue or pattern or both:
The Clue
Shipment notation: Abbr. (3 letter answer)
The Answer
PPD
Tags
Notes
The answer PPD is rarely seen, appearing only about once every 1300 puzzles.
Related Clues
P.O. abbr.
Shipping letters
Mail order abbr.
Mail-order abbr.
Stamp on some pkgs.
Abbr. in a mail-order ad
One way to send merchandise: Abbr.